diff --git a/.changeset/clear-wasps-make.md b/.changeset/clear-wasps-make.md
new file mode 100644
index 000000000..a2e9958b6
--- /dev/null
+++ b/.changeset/clear-wasps-make.md
@@ -0,0 +1,5 @@
+---
+"@stackflow/plugin-history-sync": patch
+---
+
+fix(plugin-history-sync): respect initial route pattern
diff --git a/extensions/plugin-history-sync/src/historySyncPlugin.spec.ts b/extensions/plugin-history-sync/src/historySyncPlugin.spec.ts
index 5ba28d372..25443645c 100644
--- a/extensions/plugin-history-sync/src/historySyncPlugin.spec.ts
+++ b/extensions/plugin-history-sync/src/historySyncPlugin.spec.ts
@@ -1463,4 +1463,158 @@ describe("historySyncPlugin", () => {
      */
     expect(queryResponse.data.hello).toEqual("world");
   });
+
+  test("historySyncPlugin - uses the initially entered route pattern among multiple patterns", async () => {
+    history = createMemoryHistory({
+      initialEntries: ["/foo"],
+    });
+
+    const coreStore = stackflow({
+      activityNames: ["Home"],
+      plugins: [
+        historySyncPlugin({
+          history,
+          routes: {
+            Home: ["/", "/foo", "/bar", "/baz"],
+          },
+          fallbackActivity: () => "Home",
+        }),
+      ],
+    });
+
+    actions = makeActionsProxy({
+      actions: coreStore.actions,
+    });
+
+    expect(path(history.location)).toEqual("/foo");
+
+    await actions.push({
+      activityId: "a1",
+      activityName: "Home",
+      activityParams: {},
+    });
+
+    expect(path(history.location)).toEqual("/foo/");
+  });
+
+  test("historySyncPlugin - uses the corresponding pattern when entering with a different route pattern", async () => {
+    history = createMemoryHistory({
+      initialEntries: ["/bar"],
+    });
+
+    const coreStore = stackflow({
+      activityNames: ["Home", "Article"],
+      plugins: [
+        historySyncPlugin({
+          history,
+          routes: {
+            Home: ["/", "/foo", "/bar", "/baz"],
+            Article: "/articles/:articleId",
+          },
+          fallbackActivity: () => "Home",
+        }),
+      ],
+    });
+
+    actions = makeActionsProxy({
+      actions: coreStore.actions,
+    });
+
+    expect(path(history.location)).toEqual("/bar");
+
+    await actions.push({
+      activityId: "a1",
+      activityName: "Article",
+      activityParams: {
+        articleId: "123",
+      },
+    });
+
+    expect(path(history.location)).toEqual("/articles/123/");
+
+    history.back();
+    await new Promise((resolve) => setTimeout(resolve, 100));
+
+    expect(path(history.location)).toEqual("/bar/");
+  });
+
+  test("historySyncPlugin - maintains the initially entered route pattern even during replace", async () => {
+    history = createMemoryHistory({
+      initialEntries: ["/baz"],
+    });
+
+    const coreStore = stackflow({
+      activityNames: ["Home", "Article"],
+      plugins: [
+        historySyncPlugin({
+          history,
+          routes: {
+            Home: ["/", "/foo", "/bar", "/baz"],
+            Article: "/articles/:articleId",
+          },
+          fallbackActivity: () => "Home",
+        }),
+      ],
+    });
+
+    actions = makeActionsProxy({
+      actions: coreStore.actions,
+    });
+
+    expect(path(history.location)).toEqual("/baz");
+
+    await actions.push({
+      activityId: "a1",
+      activityName: "Article",
+      activityParams: {
+        articleId: "123",
+      },
+    });
+
+    expect(path(history.location)).toEqual("/articles/123/");
+
+    history.back();
+    await new Promise((resolve) => setTimeout(resolve, 100));
+
+    expect(path(history.location)).toEqual("/baz/");
+  });
+
+  test("historySyncPlugin - each activity maintains its own route pattern when entered with different patterns", async () => {
+    history = createMemoryHistory({
+      initialEntries: ["/foo"],
+    });
+
+    const coreStore = stackflow({
+      activityNames: ["Home", "SecondHome"],
+      plugins: [
+        historySyncPlugin({
+          history,
+          routes: {
+            Home: ["/", "/foo", "/bar"],
+            SecondHome: ["/second", "/second-foo", "/second-bar"],
+          },
+          fallbackActivity: () => "Home",
+        }),
+      ],
+    });
+
+    actions = makeActionsProxy({
+      actions: coreStore.actions,
+    });
+
+    expect(path(history.location)).toEqual("/foo");
+
+    await actions.push({
+      activityId: "s1",
+      activityName: "SecondHome",
+      activityParams: {},
+    });
+
+    expect(path(history.location)).toEqual("/second/");
+
+    history.back();
+    await new Promise((resolve) => setTimeout(resolve, 100));
+
+    expect(path(history.location)).toEqual("/foo/");
+  });
 });
diff --git a/extensions/plugin-history-sync/src/historySyncPlugin.tsx b/extensions/plugin-history-sync/src/historySyncPlugin.tsx
index 507473121..24de0aa12 100644
--- a/extensions/plugin-history-sync/src/historySyncPlugin.tsx
+++ b/extensions/plugin-history-sync/src/historySyncPlugin.tsx
@@ -97,6 +97,20 @@ export function historySyncPlugin<
 
   const activityRoutes = sortActivityRoutes(normalizeActivityRouteMap(routes));
 
+  const findMatchingRoute = (activityName: string, path?: string) => {
+    if (path) {
+      // Try to find route that matches both activity name and path
+      const matchByPath = activityRoutes.find((route) => {
+        if (route.activityName !== activityName) return false;
+        const template = makeTemplate(route, options.urlPatternOptions);
+        return template.parse(path) !== null;
+      });
+      if (matchByPath) return matchByPath;
+    }
+    // Fallback to first route with matching activity name
+    return activityRoutes.find((r) => r.activityName === activityName)!;
+  };
+
   return () => {
     let pushFlag = 0;
     let silentFlag = false;
@@ -322,7 +336,15 @@ export function historySyncPlugin<
                 ).parse(currentPath) ??
                 urlSearchParamsToMap(pathToUrl(currentPath).searchParams),
               activityContext: {
-                path: currentPath,
+                path: makeTemplate(
+                  targetActivityRoute,
+                  options.urlPatternOptions,
+                ).fill(
+                  makeTemplate(
+                    targetActivityRoute,
+                    options.urlPatternOptions,
+                  ).parse(currentPath) ?? {},
+                ),
                 lazyActivityComponentRenderContext: {
                   shouldRenderImmediately: true,
                 },
@@ -342,9 +364,10 @@ export function historySyncPlugin<
         const stack = getStack();
         const rootActivity = stack.activities[0];
 
-        const match = activityRoutes.find(
-          (r) => r.activityName === rootActivity.name,
-        )!;
+        const activityPath = rootActivity.context && "path" in rootActivity.context
+          ? (rootActivity.context.path as string)
+          : undefined;
+        const match = findMatchingRoute(rootActivity.name, activityPath);
         const template = makeTemplate(match, options.urlPatternOptions);
 
         const lastStep = last(rootActivity.steps);
@@ -505,10 +528,10 @@ export function historySyncPlugin<
           return;
         }
 
-        const match = activityRoutes.find(
-          (r) => r.activityName === activity.name,
-        )!;
-
+        const activityPath = activity.context && "path" in activity.context
+          ? (activity.context.path as string)
+          : undefined;
+        const match = findMatchingRoute(activity.name, activityPath);
         const template = makeTemplate(match, options.urlPatternOptions);
 
         requestHistoryTick(() => {
@@ -529,10 +552,10 @@ export function historySyncPlugin<
           return;
         }
 
-        const match = activityRoutes.find(
-          (r) => r.activityName === activity.name,
-        )!;
-
+        const activityPath = activity.context && "path" in activity.context
+          ? (activity.context.path as string)
+          : undefined;
+        const match = findMatchingRoute(activity.name, activityPath);
         const template = makeTemplate(match, options.urlPatternOptions);
 
         requestHistoryTick(() => {
@@ -553,10 +576,10 @@ export function historySyncPlugin<
           return;
         }
 
-        const match = activityRoutes.find(
-          (r) => r.activityName === activity.name,
-        )!;
-
+        const activityPath = activity.context && "path" in activity.context
+          ? (activity.context.path as string)
+          : undefined;
+        const match = findMatchingRoute(activity.name, activityPath);
         const template = makeTemplate(match, options.urlPatternOptions);
 
         requestHistoryTick(() => {
@@ -576,10 +599,10 @@ export function historySyncPlugin<
           return;
         }
 
-        const match = activityRoutes.find(
-          (r) => r.activityName === activity.name,
-        )!;
-
+        const activityPath = activity.context && "path" in activity.context
+          ? (activity.context.path as string)
+          : undefined;
+        const match = findMatchingRoute(activity.name, activityPath);
         const template = makeTemplate(match, options.urlPatternOptions);
 
         requestHistoryTick(() => {